Description:
■ MS85065 designed for the featured phone and calculator applications.
■ A micro-controller is built-in to control system operation
■ Two serial interfaces used for the specified serial transmission.
■ Up to 32-degrees contrast levels are supported.
■ Applications of
■ the calculator,
■ featured phones, and other communication systems.
Specification:
■ 8-Bit micro-controller built in
■ Operating voltage range: 2.5~5.5V
■ 48K bytes ROM (Read Only Memory)
■ 2.8K bytes RAM (Random Access Memory)
■ Only single crystal (32768Hz)
■ Programmable internal PLL
■ Programmable MCU clock rate
■ High-Speed :
■ 8.388MHz, 4.194MHz, 2.097MHz,
■ 1.049MHz, 524KHz and 262KHz.
■ Low speed : 32768Hz.
■ MCU Power saving mode:
■ Clock rate = 524KHz, 262KHz and 32768Hz.
■ Power Management
■ Standby mode
■ Stop mode
■ Low voltage detector (LVD) / Comparator
■ Programmable Low voltage reset (LVR)
■ Advance Power-On Reset (Mask Option)
■ Seven-level Priority-based interrupts.
■ Two 8-Bit general-purposed timers
■ UART controller
■ Universal synchronous serial Interface (SSI)
■ Serial Memory Interface (SMI2)
■ MCCIN interface with an additional 8-Bit timer
■ I/O ports and Multi-function I/O ports interface.
■ I/O port A: interruptable I/O ports with Schmitt trigger.
■ I/O port B: non-open drain structure I/O ports.
■ Open drain I/O port: 4 port heavy sinking capability.
■ Multiple-function I/O ports:
■ SEG33~40 (MPIOA),
■ COM1~8 (MPIOE),
■ COM9~12 (MPIOG),
■ DTONE, VIN, RTIMB,
■ MPORT0~7 with Schmitt trigger & interrupt.
■ Built-in LCD driver
■ Three programmable duties: 1/16, 1/8 or 1/4
■ Two programmable biases: 1/5, 1/4, or 1/3
■ Maximum 48 segment output pins
■ Maximum 16 common output pins
■ 32 level brightness adjustment
■ Frequency Shift Keying (FSK) Transmitter
■ Ringer/Music tone generator
■ No Ring Detector (NRD)
■ A watchdog timer against deadlock.
■ Auto Key scan function (1/8, 1/16 duty)
Package
■ 128 Pins QFP packaged.